path: root/src/sleeping-getty.c

/**
 * Copyright © 2015  Mattias Andrée (maandree@member.fsf.org)
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stropts.h>
#include <linux/vt.h>



int main(int argc, char* argv[])
{
  struct vt_stat state;
  int tty;
  
  if (argc < 3)
    return 2;
  
  tty = atoi(argv[1]);
  if (!ioctl(STDIN_FILENO, (long)VT_GETSTATE, &state))
    if (state.v_active != tty)
      ioctl(STDIN_FILENO, (long)VT_WAITACTIVE, tty);
  
  execvp(argv[2], argv + 2);
  perror(argv[0]);
  return 1;
}